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A 0.500-kg mass attached to an ideal massless spring with a spring constant of 12.5 N/m...

A 0.500-kg mass attached to an ideal massless spring with a spring constant of 12.5 N/m oscillates on a horizontal, frictionless surface. At time t = 0.00 s, the mass is located at x = –2.00 cm and is traveling in the positive x-direction with a speed of 8.00 cm/s.

PART A: Find the angular frequency of the oscillations. Express your answer in rad/s.

PART B: Determine the amplitude of the oscillations. Express your answer with the appropriate SI units.

PART C: Find the phase angle. Express your answer in rad.

PART D: Determine the total energy of the system. Express your answer with the appropriate SI units.

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